INOR IPAQ R520X - Manual (Page 13)

4 ELECTRICAL CONNECTIONS C520/C520X / R520/R520X
09/2010 • 86B5200001 www.inor.com 13
4 Electrical connections
4.1 Safety instructions
ATTENTION!
Any work on the device may only be performed by trained and qualified personnel. The regional
industrial safety and other safety regulations must always be observed.
ATTENTION!
Observe the national regulations for electrical installations!
Any work on the electrical connections may only be performed in the de-energized state.
Observe the voltage specifications on the rating plate!
Observe the relevant installation regulations in your country!
The transmitter is protected against polarity reversal. No damage will occur to the device if the
polarity of the supply voltage is switched. The output will then indicate 0 mA.
ATTENTION!
When connecting devices with an Ex certificate, the corresponding chapters and the instructions
in this manual must be observed.
The transmitter must be supplied with an intrinsically safe power supply unit or Zener barrier
outside of the potentially explosive zone.
4.2 C520/C520N/C520X connections
The input and output signals and the power supply must be connected in accordance with the
following illustrations. The transmitter is easy to install with the Inor connection head
installation kit (see ordering information Chapter 7.1). To avoid measuring errors, all cables
must be connected properly and the screws tightened correctly.